LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm OPTN-023 — Max number of arms is exceeded.

FANUC OPTN-023 (“Max number of arms is exceeded.”): The maximum number of robot arms allowed has been exceeded. First check: Load TQAP:Triple Quad Arm Package to increase the max number of robot arms to 4.

Updated 2026-08-29 · LogrobotLM reference

Description

The maximum number of robot arms allowed has been exceeded. The default max number of arms is 2.

Remedy · Remède

Load TQAP:Triple Quad Arm Package to increase the max number of robot arms to 4.

Frequently asked · Questions fréquentes

What does FANUC alarm OPTN-023 mean?
FANUC OPTN-023 (“Max number of arms is exceeded.”): The maximum number of robot arms allowed has been exceeded. The default max number of arms is 2.
How do you troubleshoot FANUC alarm OPTN-023?
Load TQAP:Triple Quad Arm Package to increase the max number of robot arms to 4.

Related codes / Codes liés

OPTN-021Check orderfil.dat fails: %sOPTN-022Demo option %s expires in %d daysOPTN-024Too many motion groups installed

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →